2nd SHIFT (TUES-SAT) WTP OPERATOR TRAINEE, I, II, or IV

Water Treatment Plant Operator

The Water Treatment Plant (WTP) Operator Trainee, I, II, or IV performs operational, laboratory, and maintenance functions associated with the treatment of potable water. Working as part of the Water Treatment Division, this role is responsible for monitoring treatment processes, collecting and analyzing samples, operating and adjusting treatment equipment, performing preventative maintenance, and maintaining records to ensure compliance with regulatory standards and the safe delivery of drinking water to the community.

Depending on certification level and experience, the WTP Operator monitors plant operations through visual inspections, equipment readings, and laboratory testing, making adjustments to treatment processes as needed. The position also assists with facility maintenance, equipment repairs, inventory management, and recordkeeping activities. Work is performed on an assigned or rotating shift and may involve exposure to varying weather conditions and operational hazards associated with water treatment facilities.

Duties and Responsibilities

Monitor water treatment processes through routine inspections of plant equipment and facilities
Make regular tours of the plant and inspect pumps, motors, generators, filters, clarifiers, chlorination systems, and related equipment for proper operation
Record and maintain operational data from meters, gauges, instruments, and control systems
Perform standard laboratory chemical and biological testing and document results
Collect water samples for process monitoring and regulatory compliance purposes
Regulate and adjust pumps, motors, valves, blowers, and other treatment equipment to maintain optimal operating conditions
Perform preventative maintenance and assist with major equipment repairs and maintenance projects
Perform routine facility maintenance, including cleaning and painting of buildings and equipment
Order parts, materials, and supplies through established purchasing procedures
Maintain accurate operational, laboratory, and maintenance records
Assist in ensuring compliance with state and federal drinking water regulations
Perform other related duties as required

Minimum Education and Experience

Water Treatment Plant Operator Trainee
High School Diploma or GED
Six (6) months to one (1) year of experience in the operation and maintenance of machinery; or an equivalent combination of education and experience
Special Requirements
Possession of a valid North Carolina driver's license
Must obtain a North Carolina Grade C Water Operator Certification within one (1) year of hire
Water Treatment Plant Operator I
High School Diploma or GED
One (1) to two (2) years of experience in the operation and maintenance of machinery and equipment, preferably in a water treatment facility; or an equivalent combination of education and experience
Special Requirements
Possession of a valid North Carolina driver's license
North Carolina Grade C Water Operator Certification required
Water Treatment Plant Operator II
High School Diploma or GED
Two (2) to six (6) years of directly related experience; or an equivalent combination of education and experience
Special Requirements
Possession of a valid North Carolina driver's license
North Carolina Grade B Water Operator Certification required
Water Treatment Plant Operator IV
High School Diploma or GED
Three (3) to eight (8) years of directly related experience; or an equivalent combination of education and experience
Special Requirements
Possession of a valid North Carolina driver's license
North Carolina Grade A Water Operator Certification required

The Town of Mooresville is an Equal Opportunity Employer and values diversity at all levels of the workforce.

Candidates selected for this position must successfully complete a background check and pre-employment drug screening as a condition of hire.

We offer a complete benefits package to full-time employees including health care, dental, vision, retirement, deferred compensation plans, flexible spending accounts, life insurance, long-term disability, holidays, vacation, and sick leave. Part-time employees who work an average of 30 hours per week over the course of a year, receive benefits on a pro-rated basis. To learn more details, click the following link. Town of Mooresville Benefits Guide 2025-2026